ATE556230T1 - Hydraulikkreis für baumaschine - Google Patents

Hydraulikkreis für baumaschine

Info

Publication number
ATE556230T1
ATE556230T1 AT05785750T AT05785750T ATE556230T1 AT E556230 T1 ATE556230 T1 AT E556230T1 AT 05785750 T AT05785750 T AT 05785750T AT 05785750 T AT05785750 T AT 05785750T AT E556230 T1 ATE556230 T1 AT E556230T1
Authority
AT
Austria
Prior art keywords
pilot
lines
control valve
bleed
pressure
Prior art date
Application number
AT05785750T
Other languages
English (en)
Inventor
Tomohiko Asakage
Yutaka Toji
Masaaki Tachino
Kazuhiko Fujii
Original Assignee
Kobelco Constr Machinery Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kobelco Constr Machinery Ltd filed Critical Kobelco Constr Machinery Ltd
Application granted granted Critical
Publication of ATE556230T1 publication Critical patent/ATE556230T1/de

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2267—Valves or distributors
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
    • E02F9/12—Slewing or traversing gears
    • E02F9/121—Turntables, i.e. structure rotatable about 360°
    • E02F9/128—Braking systems
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
    • E02F9/2207—Arrangements for controlling the attitude of actuators, e.g. speed, floating function for reducing or compensating oscillations
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2285—Pilot-operated systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B13/0422—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with manually-operated pilot valves, e.g. joysticks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/329—Directional control characterised by the type of actuation actuated by fluid pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/355—Pilot pressure control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7058—Rotary output members
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7758—Pilot or servo controlled

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
AT05785750T 2004-09-29 2005-09-21 Hydraulikkreis für baumaschine ATE556230T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004284805 2004-09-29
JP2005232937A JP2006125627A (ja) 2004-09-29 2005-08-11 建設機械の油圧回路
PCT/JP2005/017393 WO2006035648A1 (ja) 2004-09-29 2005-09-21 建設機械の油圧回路

Publications (1)

Publication Number Publication Date
ATE556230T1 true ATE556230T1 (de) 2012-05-15

Family

ID=36118796

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05785750T ATE556230T1 (de) 2004-09-29 2005-09-21 Hydraulikkreis für baumaschine

Country Status (5)

Country Link
US (1) US7634961B2 (de)
EP (1) EP1813821B1 (de)
JP (1) JP2006125627A (de)
AT (1) ATE556230T1 (de)
WO (1) WO2006035648A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006012030A1 (de) * 2006-03-14 2007-09-20 Robert Bosch Gmbh Hydraulische Ventilanordnung
DE102006018706A1 (de) * 2006-04-21 2007-10-25 Robert Bosch Gmbh Hydraulische Steueranordnung
DE102007029358A1 (de) 2007-06-26 2009-01-02 Robert Bosch Gmbh Verfahren und hydraulische Steueranordnung zur Druckmittelversorgung zumindest eines hydraulischen Verbrauchers
DE102007029355A1 (de) * 2007-06-26 2009-01-02 Robert Bosch Gmbh Hydraulische Steueranordnung
CH700344B1 (de) * 2007-08-02 2010-08-13 Bucher Hydraulics Ag Steuervorrichtung für mindestens zwei hydraulische Antriebe.
JP4548494B2 (ja) 2008-02-19 2010-09-22 コベルコ建機株式会社 建設機械の油圧回路
DE102008018936A1 (de) * 2008-04-15 2009-10-22 Robert Bosch Gmbh Steueranordnung zur Ansteuerung eines Wegeventils
JP2010276162A (ja) * 2009-05-29 2010-12-09 Komatsu Ltd 作業機械
JP5809544B2 (ja) * 2011-12-02 2015-11-11 株式会社クボタ 暖機システム
US9458864B2 (en) * 2012-07-25 2016-10-04 The Ritsumeikan Trust Hydraulic drive circuit
EP2886878B1 (de) * 2012-08-16 2020-12-09 Volvo Construction Equipment AB Hydraulisches steuerventil für eine baumaschine
US9903098B2 (en) 2013-03-06 2018-02-27 Volvo Construction Equipment Ab Pilot pressure control system
CN104454689A (zh) * 2014-11-20 2015-03-25 刘涛 压力调节系统及其应用的工程机械
JP6498571B2 (ja) * 2015-09-08 2019-04-10 株式会社クボタ 作業機の油圧システム
WO2019078077A1 (ja) 2017-10-20 2019-04-25 住友建機株式会社 ショベル
JP6893894B2 (ja) 2018-03-27 2021-06-23 ヤンマーパワーテクノロジー株式会社 作業車両の油圧回路
JP7080767B2 (ja) * 2018-08-09 2022-06-06 株式会社クボタ 作業機の油圧システム

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5520707U (de) * 1978-07-28 1980-02-09
JPS5520707A (en) 1978-07-31 1980-02-14 Mitsubishi Petrochem Co Ltd Benzophenone derivative
DE3042837C2 (de) * 1980-11-13 1982-12-09 Hydromatik Gmbh, 7900 Ulm Steuer- und Regeleinrichtung bei einem hydrostatischen Getriebe
JPS59105601A (ja) 1982-12-10 1984-06-19 Nippon Telegr & Teleph Corp <Ntt> 高強度光フアイバコ−ド
JPS59105601U (ja) * 1982-12-30 1984-07-16 ダイキン工業株式会社 流量制御装置
DE3644745A1 (de) * 1986-12-30 1988-07-14 Rexroth Mannesmann Gmbh Steueranordnung fuer mindestens zwei von mindestens einer pumpe gespeiste hydraulische verbraucher
WO1988006241A1 (en) * 1987-02-20 1988-08-25 Hitachi Construction Machinery Co., Ltd. Pilot-operated hydraulic circuit and hydraulic quick exhaust valve
JPH0640970Y2 (ja) * 1988-07-06 1994-10-26 東芝機械株式会社 弁装置
JPH0266705A (ja) 1988-08-31 1990-03-06 Nec Corp データ読出し回路
JPH0517970A (ja) * 1991-07-08 1993-01-26 Hitachi Constr Mach Co Ltd 建設機械のアクチユエータ制御装置
JPH06300006A (ja) 1993-04-14 1994-10-25 Kato Works Co Ltd 油圧駆動制御装置
JPH08326708A (ja) * 1995-05-26 1996-12-10 Hitachi Constr Mach Co Ltd 減圧弁型パイロット弁
JPH09235756A (ja) * 1996-02-28 1997-09-09 Yutani Heavy Ind Ltd 油圧リモコン回路
JP2000025109A (ja) 1998-07-10 2000-01-25 Sumitomo Chem Co Ltd インフレーションフィルムの成形装置
JP2001208005A (ja) * 2000-01-28 2001-08-03 Hitachi Constr Mach Co Ltd 油圧パイロット駆動式操作回路
JP2002005109A (ja) * 2000-06-16 2002-01-09 Hitachi Constr Mach Co Ltd 操作制御装置
JP3772982B2 (ja) * 2003-02-28 2006-05-10 住友建機製造株式会社 建設機械のリモコン弁油圧回路

Also Published As

Publication number Publication date
US20070277883A1 (en) 2007-12-06
US7634961B2 (en) 2009-12-22
EP1813821B1 (de) 2012-05-02
EP1813821A1 (de) 2007-08-01
WO2006035648A1 (ja) 2006-04-06
JP2006125627A (ja) 2006-05-18
EP1813821A4 (de) 2010-05-26

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